Nghiên cứu một số đặc điểm dịch tễ của bệnh viêm da tiếp xúc do xi măng

The study of epidemiological characteristics of 411 patients suffering contact dermatitis due to cement, the author showed that: - In the cement-using group, the ages of 20-39 was the highest in the ratio. In cement-producing group, the agps of 40-49 was the highest. - Men amounted to 88.81 percent, and women 11.19 percent. - The ratio of contact dermatitis increased when working period contacting cement expandea. - The ratio of contact dermatitis in the cement-using group was higher than in the cement-producing group. - Allergic contact dermatitis took up 66.15 percent, irritant contact dermatitis 26.92 percent, and chronic prurigo papulars 6.93 percent.